73724531461 has 16 divisors (see below), whose sum is σ = 85286888064. Its totient is φ = 62420016384.

The previous prime is 73724531449. The next prime is 73724531501. The reversal of 73724531461 is 16413542737.

It is a cyclic number.

It is not a de Polignac number, because 73724531461 - 2⁵ = 73724531429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73724531761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6488161 + ... + 6499513.

It is an arithmetic number, because the mean of its divisors is an integer number (5330430504).

Almost surely, 2^73724531461 is an apocalyptic number.

It is an amenable number.

73724531461 is a deficient number, since it is larger than the sum of its proper divisors (11562356603).

73724531461 is a wasteful number, since it uses less digits than its factorization.

73724531461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22620.

The product of its digits is 423360, while the sum is 43.

The spelling of 73724531461 in words is "seventy-three billion, seven hundred twenty-four million, five hundred thirty-one thousand, four hundred sixty-one".