72542417734437 has 32 divisors (see below), whose sum is σ = 116364031027200. Its totient is φ = 39269306098368.

The previous prime is 72542417734421. The next prime is 72542417734439. The reversal of 72542417734437 is 73443771424527.

It is not a de Polignac number, because 72542417734437 - 2⁴ = 72542417734421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72542417734439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4737864 + ... + 12943422.

It is an arithmetic number, because the mean of its divisors is an integer number (3636375969600).

Almost surely, 2^{72542417734437} is an apocalyptic number.

It is an amenable number.

72542417734437 is a deficient number, since it is larger than the sum of its proper divisors (43821613292763).

72542417734437 is a wasteful number, since it uses less digits than its factorization.

72542417734437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8227745.

The product of its digits is 110638080, while the sum is 60.

The spelling of 72542417734437 in words is "seventy-two trillion, five hundred forty-two billion, four hundred seventeen million, seven hundred thirty-four thousand, four hundred thirty-seven".