70807492 has 48 divisors (see below), whose sum is σ = 149079168. Its totient is φ = 28788480.

The previous prime is 70807489. The next prime is 70807507. The reversal of 70807492 is 29470807.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41643 + ... + 43309.

It is an arithmetic number, because the mean of its divisors is an integer number (3105816).

Almost surely, 2^70807492 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 70807492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74539584).

70807492 is an abundant number, since it is smaller than the sum of its proper divisors (78271676).

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

70807492 is a wasteful number, since it uses less digits than its factorization.

70807492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 70807492 is about 8414.7187712959. The cubic root of 70807492 is about 413.7071918057.

The spelling of 70807492 in words is "seventy million, eight hundred seven thousand, four hundred ninety-two".