72492682 has 4 divisors (see below), whose sum is σ = 108739026. Its totient is φ = 36246340.

The previous prime is 72492671. The next prime is 72492689. The reversal of 72492682 is 28629427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28629427 = 193 ⋅148339.

It can be written as a sum of positive squares in only one way, i.e., 49154121 + 23338561 = 7011^2 + 4831^2 .

It is not an unprimeable number, because it can be changed into a prime (72492689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18123169 + ... + 18123172.

Almost surely, 2^72492682 is an apocalyptic number.

72492682 is a deficient number, since it is larger than the sum of its proper divisors (36246344).

72492682 is a wasteful number, since it uses less digits than its factorization.

72492682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36246343.

The product of its digits is 96768, while the sum is 40.

The square root of 72492682 is about 8514.2634443621. The cubic root of 72492682 is about 416.9635156811.

The spelling of 72492682 in words is "seventy-two million, four hundred ninety-two thousand, six hundred eighty-two".