74386902745 has 8 divisors (see below), whose sum is σ = 89855438400. Its totient is φ = 59115418800.

The previous prime is 74386902743. The next prime is 74386902761. The reversal of 74386902745 is 54720968347.

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

It is not a de Polignac number, because 74386902745 - 2¹ = 74386902743 is a prime.

It is a super-2 number, since 2×74386902745² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74386902743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49262095 + ... + 49263604.

It is an arithmetic number, because the mean of its divisors is an integer number (11231929800).

Almost surely, 2^74386902745 is an apocalyptic number.

It is an amenable number.

74386902745 is a deficient number, since it is larger than the sum of its proper divisors (15468535655).

74386902745 is a wasteful number, since it uses less digits than its factorization.

74386902745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98525855.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 74386902745 in words is "seventy-four billion, three hundred eighty-six million, nine hundred two thousand, seven hundred forty-five".