72627493 has 4 divisors (see below), whose sum is σ = 72741088. Its totient is φ = 72513900.

The previous prime is 72627487. The next prime is 72627497. The reversal of 72627493 is 39472627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39472627 = 41 ⋅962747.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72627493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72627497) 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 3 ways as a sum of consecutive naturals, for example, 55833 + ... + 57118.

It is an arithmetic number, because the mean of its divisors is an integer number (18185272).

Almost surely, 2^72627493 is an apocalyptic number.

It is an amenable number.

72627493 is a deficient number, since it is larger than the sum of its proper divisors (113595).

72627493 is a wasteful number, since it uses less digits than its factorization.

72627493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113594.

The product of its digits is 127008, while the sum is 40.

The square root of 72627493 is about 8522.1765412364. The cubic root of 72627493 is about 417.2218243292.

The spelling of 72627493 in words is "seventy-two million, six hundred twenty-seven thousand, four hundred ninety-three".