70636764 has 48 divisors (see below), whose sum is σ = 182359296. Its totient is φ = 21100800.

The previous prime is 70636763. The next prime is 70636777. The reversal of 70636764 is 46763607.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70636763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5604 + ... + 13140.

It is an arithmetic number, because the mean of its divisors is an integer number (3799152).

Almost surely, 2^70636764 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 70636764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91179648).

70636764 is an abundant number, since it is smaller than the sum of its proper divisors (111722532).

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

70636764 is a wasteful number, since it uses less digits than its factorization.

70636764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626 (or 7624 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 70636764 is about 8404.5680436296. The cubic root of 70636764 is about 413.3744198376.

The spelling of 70636764 in words is "seventy million, six hundred thirty-six thousand, seven hundred sixty-four".