70615972 has 24 divisors (see below), whose sum is σ = 141575616. Its totient is φ = 30190368.

The previous prime is 70615939. The next prime is 70615973. The reversal of 70615972 is 27951607.

It is not an unprimeable number, because it can be changed into a prime (70615973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9558 + ... + 15250.

It is an arithmetic number, because the mean of its divisors is an integer number (5898984).

Almost surely, 2^70615972 is an apocalyptic number.

It is an amenable number.

70615972 is an abundant number, since it is smaller than the sum of its proper divisors (70959644).

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

70615972 is a wasteful number, since it uses less digits than its factorization.

70615972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6147 (or 6145 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 70615972 is about 8403.3310062141. The cubic root of 70615972 is about 413.3338568036. Note that the first 3 decimals are identical.

The spelling of 70615972 in words is "seventy million, six hundred fifteen thousand, nine hundred seventy-two".