72746375 has 32 divisors (see below), whose sum is σ = 99066240. Its totient is φ = 53011200.

The previous prime is 72746371. The next prime is 72746381. The reversal of 72746375 is 57364727.

It is not a de Polignac number, because 72746375 - 2² = 72746371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72746371) 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 31 ways as a sum of consecutive naturals, for example, 144374 + ... + 144876.

It is an arithmetic number, because the mean of its divisors is an integer number (3095820).

Almost surely, 2^72746375 is an apocalyptic number.

72746375 is a deficient number, since it is larger than the sum of its proper divisors (26319865).

72746375 is a wasteful number, since it uses less digits than its factorization.

72746375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 610 counting only the distinct ones).

The product of its digits is 246960, while the sum is 41.

The square root of 72746375 is about 8529.1485507054. The cubic root of 72746375 is about 417.4493466461.

The spelling of 72746375 in words is "seventy-two million, seven hundred forty-six thousand, three hundred seventy-five".