70017072 has 40 divisors (see below), whose sum is σ = 185089344. Its totient is φ = 22795584.

The previous prime is 70017043. The next prime is 70017089. The reversal of 70017072 is 27071007.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 14898 + ... + 19025.

Almost surely, 2^70017072 is an apocalyptic number.

It is an amenable number.

70017072 is an abundant number, since it is smaller than the sum of its proper divisors (115072272).

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

70017072 is a wasteful number, since it uses less digits than its factorization.

70017072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33977 (or 33971 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 24.

The square root of 70017072 is about 8367.6204502833. The cubic root of 70017072 is about 412.1620313445.

Adding to 70017072 its reverse (27071007), we get a palindrome (97088079).

The spelling of 70017072 in words is "seventy million, seventeen thousand, seventy-two".