72751461 has 8 divisors (see below), whose sum is σ = 101219520. Its totient is φ = 46392192.

The previous prime is 72751447. The next prime is 72751463. The reversal of 72751461 is 16415727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72751461 - 2⁶ = 72751397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72751463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527116 + ... + 527253.

It is an arithmetic number, because the mean of its divisors is an integer number (12652440).

Almost surely, 2^72751461 is an apocalyptic number.

It is an amenable number.

72751461 is a deficient number, since it is larger than the sum of its proper divisors (28468059).

72751461 is a wasteful number, since it uses less digits than its factorization.

72751461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054395.

The product of its digits is 11760, while the sum is 33.

The square root of 72751461 is about 8529.4466995228. The cubic root of 72751461 is about 417.4590749563.

The spelling of 72751461 in words is "seventy-two million, seven hundred fifty-one thousand, four hundred sixty-one".