70746336 has 72 divisors (see below), whose sum is σ = 204533784. Its totient is φ = 23189760.

The previous prime is 70746323. The next prime is 70746337. The reversal of 70746336 is 63364707.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 70746336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70746337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15555 + ... + 19581.

It is an arithmetic number, because the mean of its divisors is an integer number (2840747).

Almost surely, 2^70746336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70746336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102266892).

70746336 is an abundant number, since it is smaller than the sum of its proper divisors (133787448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70746336 is a wasteful number, since it uses less digits than its factorization.

70746336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104 (or 4093 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 70746336 is about 8411.0841156179. The cubic root of 70746336 is about 413.5880520376.

The spelling of 70746336 in words is "seventy million, seven hundred forty-six thousand, three hundred thirty-six".