74336770437 has 4 divisors (see below), whose sum is σ = 99115693920. Its totient is φ = 49557846956.

The previous prime is 74336770423. The next prime is 74336770463. The reversal of 74336770437 is 73407763347.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73407763347 = 3 ⋅24469254449.

It is a cyclic number.

It is not a de Polignac number, because 74336770437 - 2⁴ = 74336770421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74336770437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74336770637) 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, 12389461737 + ... + 12389461742.

It is an arithmetic number, because the mean of its divisors is an integer number (24778923480).

Almost surely, 2^74336770437 is an apocalyptic number.

It is an amenable number.

74336770437 is a deficient number, since it is larger than the sum of its proper divisors (24778923483).

74336770437 is a wasteful number, since it uses less digits than its factorization.

74336770437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24778923482.

The product of its (nonzero) digits is 6223392, while the sum is 51.

The spelling of 74336770437 in words is "seventy-four billion, three hundred thirty-six million, seven hundred seventy thousand, four hundred thirty-seven".