74481037 has 4 divisors (see below), whose sum is σ = 76494076. Its totient is φ = 72468000.

The previous prime is 74480981. The next prime is 74481049. The reversal of 74481037 is 73018447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37283236 + 37197801 = 6106^2 + 6099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74481037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74480993 and 74481011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74481067) 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, 1006464 + ... + 1006537.

It is an arithmetic number, because the mean of its divisors is an integer number (19123519).

Almost surely, 2^74481037 is an apocalyptic number.

It is an amenable number.

74481037 is a deficient number, since it is larger than the sum of its proper divisors (2013039).

74481037 is a wasteful number, since it uses less digits than its factorization.

74481037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013038.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 74481037 is about 8630.2396838095. The cubic root of 74481037 is about 420.7413908172.

The spelling of 74481037 in words is "seventy-four million, four hundred eighty-one thousand, thirty-seven".