74700245 has 8 divisors (see below), whose sum is σ = 91725216. Its totient is φ = 58370256.

The previous prime is 74700221. The next prime is 74700277. The reversal of 74700245 is 54200747.

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

It is a cyclic number.

It is not a de Polignac number, because 74700245 - 2⁶ = 74700181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173507 + ... + 173936.

It is an arithmetic number, because the mean of its divisors is an integer number (11465652).

Almost surely, 2^74700245 is an apocalyptic number.

It is an amenable number.

74700245 is a deficient number, since it is larger than the sum of its proper divisors (17024971).

74700245 is a wasteful number, since it uses less digits than its factorization.

74700245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347491.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 74700245 is about 8642.9303479781. The cubic root of 74700245 is about 421.1537532493.

The spelling of 74700245 in words is "seventy-four million, seven hundred thousand, two hundred forty-five".