70892040 has 256 divisors, whose sum is σ = 248832000. Its totient is φ = 16035840.

The previous prime is 70892039. The next prime is 70892047. The reversal of 70892040 is 4029807.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 70891989 and 70892007.

It is not an unprimeable number, because it can be changed into a prime (70892047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1201531 + ... + 1201589.

It is an arithmetic number, because the mean of its divisors is an integer number (972000).

Almost surely, 2^70892040 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 70892040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124416000).

70892040 is an abundant number, since it is smaller than the sum of its proper divisors (177939960).

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

70892040 is a wasteful number, since it uses less digits than its factorization.

70892040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 70892040 is about 8419.7410886559. The cubic root of 70892040 is about 413.8717892797.

The spelling of 70892040 in words is "seventy million, eight hundred ninety-two thousand, forty".