72741337 has 4 divisors (see below), whose sum is σ = 74433040. Its totient is φ = 71049636.

The previous prime is 72741313. The next prime is 72741373. The reversal of 72741337 is 73314727.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73314727 = 17 ⋅4312631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72741337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72741037) 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, 845787 + ... + 845872.

It is an arithmetic number, because the mean of its divisors is an integer number (18608260).

Almost surely, 2^72741337 is an apocalyptic number.

It is an amenable number.

72741337 is a deficient number, since it is larger than the sum of its proper divisors (1691703).

72741337 is a wasteful number, since it uses less digits than its factorization.

72741337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691702.

The product of its digits is 24696, while the sum is 34.

The square root of 72741337 is about 8528.8532054433. The cubic root of 72741337 is about 417.4397097015.

The spelling of 72741337 in words is "seventy-two million, seven hundred forty-one thousand, three hundred thirty-seven".