72492326 has 4 divisors (see below), whose sum is σ = 108738492. Its totient is φ = 36246162.

The previous prime is 72492323. The next prime is 72492341. The reversal of 72492326 is 62329427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62329427 = 1103 ⋅56509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72492323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18123080 + ... + 18123083.

It is an arithmetic number, because the mean of its divisors is an integer number (27184623).

Almost surely, 2^72492326 is an apocalyptic number.

72492326 is a deficient number, since it is larger than the sum of its proper divisors (36246166).

72492326 is a wasteful number, since it uses less digits than its factorization.

72492326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36246165.

The product of its digits is 36288, while the sum is 35.

The square root of 72492326 is about 8514.2425382414. The cubic root of 72492326 is about 416.9628331329.

The spelling of 72492326 in words is "seventy-two million, four hundred ninety-two thousand, three hundred twenty-six".