72374493 has 4 divisors (see below), whose sum is σ = 96499328. Its totient is φ = 48249660.

The previous prime is 72374473. The next prime is 72374503. The reversal of 72374493 is 39447327.

72374493 is nontrivially palindromic in base 14.

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.

It is not a de Polignac number, because 72374493 - 2¹⁴ = 72358109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72374413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12062413 + ... + 12062418.

It is an arithmetic number, because the mean of its divisors is an integer number (24124832).

Almost surely, 2^72374493 is an apocalyptic number.

It is an amenable number.

72374493 is a deficient number, since it is larger than the sum of its proper divisors (24124835).

72374493 is a wasteful number, since it uses less digits than its factorization.

72374493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24124834.

The product of its digits is 127008, while the sum is 39.

The square root of 72374493 is about 8507.3199657707. The cubic root of 72374493 is about 416.7367925348.

It can be divided in two parts, 72 and 374493, that multiplied together give a triangular number (26963496 = T₇₃₄₃).

The spelling of 72374493 in words is "seventy-two million, three hundred seventy-four thousand, four hundred ninety-three".