72374163 has 4 divisors (see below), whose sum is σ = 96498888. Its totient is φ = 48249440.

The previous prime is 72374153. The next prime is 72374167. The reversal of 72374163 is 36147327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36147327 = 3 ⋅12049109.

It is a cyclic number.

It is not a de Polignac number, because 72374163 - 2⁵ = 72374131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72374167) 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, 12062358 + ... + 12062363.

It is an arithmetic number, because the mean of its divisors is an integer number (24124722).

Almost surely, 2^72374163 is an apocalyptic number.

72374163 is a deficient number, since it is larger than the sum of its proper divisors (24124725).

72374163 is a wasteful number, since it uses less digits than its factorization.

72374163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24124724.

The product of its digits is 21168, while the sum is 33.

The square root of 72374163 is about 8507.3005706863. The cubic root of 72374163 is about 416.7361591470.

The spelling of 72374163 in words is "seventy-two million, three hundred seventy-four thousand, one hundred sixty-three".