74145701532 has 24 divisors (see below), whose sum is σ = 197721870976. Its totient is φ = 21184486128.

The previous prime is 74145701527. The next prime is 74145701537. The reversal of 74145701532 is 23510754147.

It is an interprime number because it is at equal distance from previous prime (74145701527) and next prime (74145701537).

It is a super-4 number, since 4×74145701532⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74145701537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441343378 + ... + 441343545.

Almost surely, 2^74145701532 is an apocalyptic number.

It is an amenable number.

74145701532 is an abundant number, since it is smaller than the sum of its proper divisors (123576169444).

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

74145701532 is a wasteful number, since it uses less digits than its factorization.

74145701532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882686937 (or 882686935 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 74145701532 in words is "seventy-four billion, one hundred forty-five million, seven hundred one thousand, five hundred thirty-two".