72049502 has 48 divisors (see below), whose sum is σ = 135555120. Its totient is φ = 28530432.

The previous prime is 72049489. The next prime is 72049507. The reversal of 72049502 is 20594027.

It is a super-2 number, since 2×72049502² = 10382261476896008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72049507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97928 + ... + 98660.

It is an arithmetic number, because the mean of its divisors is an integer number (2824065).

Almost surely, 2^72049502 is an apocalyptic number.

72049502 is a deficient number, since it is larger than the sum of its proper divisors (63505618).

72049502 is a wasteful number, since it uses less digits than its factorization.

72049502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 72049502 is about 8488.1978063662. The cubic root of 72049502 is about 416.1120837961.

The spelling of 72049502 in words is "seventy-two million, forty-nine thousand, five hundred two".