74238195465 has 32 divisors (see below), whose sum is σ = 150833160960. Its totient is φ = 33937460352.

The previous prime is 74238195463. The next prime is 74238195487. The reversal of 74238195465 is 56459183247.

It is a happy number.

74238195465 is a `hidden beast` number, since 74 + 23 + 8 + 1 + 9 + 546 + 5 = 666.

It is not a de Polignac number, because 74238195465 - 2¹ = 74238195463 is a prime.

It is a super-2 number, since 2×74238195465² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74238195463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39278524 + ... + 39280413.

It is an arithmetic number, because the mean of its divisors is an integer number (4713536280).

Almost surely, 2^74238195465 is an apocalyptic number.

It is an amenable number.

74238195465 is an abundant number, since it is smaller than the sum of its proper divisors (76594965495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74238195465 is a wasteful number, since it uses less digits than its factorization.

74238195465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78558958 (or 78558952 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 74238195465 in words is "seventy-four billion, two hundred thirty-eight million, one hundred ninety-five thousand, four hundred sixty-five".