74463737 has 4 divisors (see below), whose sum is σ = 75684516. Its totient is φ = 73242960.

The previous prime is 74463731. The next prime is 74463743. The reversal of 74463737 is 73736447.

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

It is an interprime number because it is at equal distance from previous prime (74463731) and next prime (74463743).

It can be written as a sum of positive squares in 2 ways, for example, as 2621161 + 71842576 = 1619^2 + 8476^2 .

It is a cyclic number.

It is not a de Polignac number, because 74463737 - 2²⁶ = 7354873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74463694 and 74463703.

It is not an unprimeable number, because it can be changed into a prime (74463731) 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, 610298 + ... + 610419.

It is an arithmetic number, because the mean of its divisors is an integer number (18921129).

Almost surely, 2^74463737 is an apocalyptic number.

It is an amenable number.

74463737 is a deficient number, since it is larger than the sum of its proper divisors (1220779).

74463737 is a wasteful number, since it uses less digits than its factorization.

74463737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220778.

The product of its digits is 296352, while the sum is 41.

The square root of 74463737 is about 8629.2373359411. The cubic root of 74463737 is about 420.7088125486.

The spelling of 74463737 in words is "seventy-four million, four hundred sixty-three thousand, seven hundred thirty-seven".