72743337 has 12 divisors (see below), whose sum is σ = 105157104. Its totient is φ = 48457080.

The previous prime is 72743317. The next prime is 72743351. The reversal of 72743337 is 73334727.

It is not a de Polignac number, because 72743337 - 2¹² = 72739241 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (72743317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13162 + ... + 17852.

It is an arithmetic number, because the mean of its divisors is an integer number (8763092).

Almost surely, 2^72743337 is an apocalyptic number.

It is an amenable number.

72743337 is a deficient number, since it is larger than the sum of its proper divisors (32413767).

72743337 is a wasteful number, since it uses less digits than its factorization.

72743337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420 (or 6417 counting only the distinct ones).

The product of its digits is 74088, while the sum is 36.

The square root of 72743337 is about 8528.9704536949. The cubic root of 72743337 is about 417.4435354573.

The spelling of 72743337 in words is "seventy-two million, seven hundred forty-three thousand, three hundred thirty-seven".