72946455 has 48 divisors (see below), whose sum is σ = 126614880. Its totient is φ = 35816704.

The previous prime is 72946427. The next prime is 72946477. The reversal of 72946455 is 55464927.

It is not a de Polignac number, because 72946455 - 2⁷ = 72946327 is a prime.

Its product of digits (302400) is a multiple of the sum of its prime factors (400).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229957 + ... + 230273.

It is an arithmetic number, because the mean of its divisors is an integer number (2637810).

Almost surely, 2^72946455 is an apocalyptic number.

72946455 is a deficient number, since it is larger than the sum of its proper divisors (53668425).

72946455 is a wasteful number, since it uses less digits than its factorization.

72946455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 377 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 72946455 is about 8540.8696863961. The cubic root of 72946455 is about 417.8317107550.

The spelling of 72946455 in words is "seventy-two million, nine hundred forty-six thousand, four hundred fifty-five".