70042672 has 40 divisors (see below), whose sum is σ = 155561472. Its totient is φ = 29928000.

The previous prime is 70042663. The next prime is 70042681. The reversal of 70042672 is 27624007.

It is an interprime number because it is at equal distance from previous prime (70042663) and next prime (70042681).

It is a hoax number, since the sum of its digits (28) 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 (28).

It is a self number, because there is not a number n which added to its sum of digits gives 70042672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47547 + ... + 48997.

Almost surely, 2^70042672 is an apocalyptic number.

It is an amenable number.

70042672 is an abundant number, since it is smaller than the sum of its proper divisors (85518800).

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

70042672 is a wasteful number, since it uses less digits than its factorization.

70042672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 70042672 is about 8369.1500165787. The cubic root of 70042672 is about 412.2122574870.

Adding to 70042672 its reverse (27624007), we get a palindrome (97666679).

The spelling of 70042672 in words is "seventy million, forty-two thousand, six hundred seventy-two".