72049512 has 32 divisors (see below), whose sum is σ = 180352800. Its totient is φ = 23985984.

The previous prime is 72049507. The next prime is 72049541. The reversal of 72049512 is 21594027.

It is a super-2 number, since 2×72049512² = 10382264358876288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72049512.

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, 25263 + ... + 27969.

It is an arithmetic number, because the mean of its divisors is an integer number (5636025).

Almost surely, 2^72049512 is an apocalyptic number.

It is an amenable number.

72049512 is an abundant number, since it is smaller than the sum of its proper divisors (108303288).

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

72049512 is a wasteful number, since it uses less digits than its factorization.

72049512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825 (or 3821 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 72049512 is about 8488.1983954194. The cubic root of 72049512 is about 416.1121030473.

The spelling of 72049512 in words is "seventy-two million, forty-nine thousand, five hundred twelve".