73457428937 has 8 divisors (see below), whose sum is σ = 73589497800. Its totient is φ = 73325441664.

The previous prime is 73457428931. The next prime is 73457428963. The reversal of 73457428937 is 73982475437.

It can be written as a sum of positive squares in 4 ways, for example, as 6130576 + 73451298361 = 2476^2 + 271019^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73457428937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73457428931) 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, 1950239 + ... + 1987547.

It is an arithmetic number, because the mean of its divisors is an integer number (9198687225).

Almost surely, 2^73457428937 is an apocalyptic number.

It is an amenable number.

73457428937 is a deficient number, since it is larger than the sum of its proper divisors (132068863).

73457428937 is a wasteful number, since it uses less digits than its factorization.

73457428937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40795.

The product of its digits is 35562240, while the sum is 59.

The spelling of 73457428937 in words is "seventy-three billion, four hundred fifty-seven million, four hundred twenty-eight thousand, nine hundred thirty-seven".