70842492 has 96 divisors (see below), whose sum is σ = 212620800. Its totient is φ = 19979136.

The previous prime is 70842467. The next prime is 70842509. The reversal of 70842492 is 29424807.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62184 + ... + 63312.

It is an arithmetic number, because the mean of its divisors is an integer number (2214800).

Almost surely, 2^70842492 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 70842492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106310400).

70842492 is an abundant number, since it is smaller than the sum of its proper divisors (141778308).

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

70842492 is a wasteful number, since it uses less digits than its factorization.

70842492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 70842492 is about 8416.7982035926. The cubic root of 70842492 is about 413.7753454534.

The spelling of 70842492 in words is "seventy million, eight hundred forty-two thousand, four hundred ninety-two".