72346955 has 4 divisors (see below), whose sum is σ = 86816352. Its totient is φ = 57877560.

The previous prime is 72346949. The next prime is 72346957. The reversal of 72346955 is 55964327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55964327 = 83 ⋅674269.

It is not a de Polignac number, because 72346955 - 2¹² = 72342859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72346957) 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, 7234691 + ... + 7234700.

It is an arithmetic number, because the mean of its divisors is an integer number (21704088).

Almost surely, 2^72346955 is an apocalyptic number.

72346955 is a deficient number, since it is larger than the sum of its proper divisors (14469397).

72346955 is a wasteful number, since it uses less digits than its factorization.

72346955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14469396.

The product of its digits is 226800, while the sum is 41.

The square root of 72346955 is about 8505.7013232302. The cubic root of 72346955 is about 416.6839306625.

The spelling of 72346955 in words is "seventy-two million, three hundred forty-six thousand, nine hundred fifty-five".