73416861437 has 8 divisors (see below), whose sum is σ = 75212205432. Its totient is φ = 71621740800.

The previous prime is 73416861433. The next prime is 73416861451.

73416861437 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 8137122436 + 65279739001 = 90206^2 + 255499^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 73416861437 - 2² = 73416861433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73416861433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749987 + ... + 842207.

It is an arithmetic number, because the mean of its divisors is an integer number (9401525679).

Almost surely, 2^73416861437 is an apocalyptic number.

It is an amenable number.

73416861437 is a deficient number, since it is larger than the sum of its proper divisors (1795343995).

73416861437 is a wasteful number, since it uses less digits than its factorization.

73416861437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111679.

The product of its digits is 2032128, while the sum is 50.

The spelling of 73416861437 in words is "seventy-three billion, four hundred sixteen million, eight hundred sixty-one thousand, four hundred thirty-seven".