73770871040 has 36 divisors (see below), whose sum is σ = 176704292604. Its totient is φ = 29508347904.

The previous prime is 73770871019. The next prime is 73770871043. The reversal of 73770871040 is 4017807737.

It can be written as a sum of positive squares in 2 ways, for example, as 17938852096 + 55832018944 = 133936^2 + 236288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73770870982 and 73770871000.

It is not an unprimeable number, because it can be changed into a prime (73770871043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28815467 + ... + 28818026.

Almost surely, 2^73770871040 is an apocalyptic number.

It is an amenable number.

73770871040 is an abundant number, since it is smaller than the sum of its proper divisors (102933421564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73770871040 is an equidigital number, since it uses as much as digits as its factorization.

73770871040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57633514 (or 57633500 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 44.

The spelling of 73770871040 in words is "seventy-three billion, seven hundred seventy million, eight hundred seventy-one thousand, forty".