74892986501 has 8 divisors (see below), whose sum is σ = 76311367704. Its totient is φ = 73474801920.

The previous prime is 74892986491. The next prime is 74892986551. The reversal of 74892986501 is 10568929847.

It can be written as a sum of positive squares in 4 ways, for example, as 454276 + 74892532225 = 674^2 + 273665^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74892986501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74892986551) 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, 886961 + ... + 967721.

It is an arithmetic number, because the mean of its divisors is an integer number (9538920963).

Almost surely, 2^74892986501 is an apocalyptic number.

It is an amenable number.

74892986501 is a deficient number, since it is larger than the sum of its proper divisors (1418381203).

74892986501 is a wasteful number, since it uses less digits than its factorization.

74892986501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98311.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 74892986501 in words is "seventy-four billion, eight hundred ninety-two million, nine hundred eighty-six thousand, five hundred one".