70972038 has 24 divisors (see below), whose sum is σ = 159469128. Its totient is φ = 23657184.

The previous prime is 70972037. The next prime is 70972063. The reversal of 70972038 is 83027907.

It is a junction number, because it is equal to n+sod(n) for n = 70971993 and 70972011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70972037) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 72531 + ... + 73502.

It is an arithmetic number, because the mean of its divisors is an integer number (6644547).

Almost surely, 2^70972038 is an apocalyptic number.

70972038 is an abundant number, since it is smaller than the sum of its proper divisors (88497090).

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

70972038 is a wasteful number, since it uses less digits than its factorization.

70972038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146050 (or 146038 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 70972038 is about 8424.4903703429. The cubic root of 70972038 is about 414.0274083934.

The spelling of 70972038 in words is "seventy million, nine hundred seventy-two thousand, thirty-eight".