75149464 has 64 divisors (see below), whose sum is σ = 160574400. Its totient is φ = 32710656.

The previous prime is 75149383. The next prime is 75149467. The reversal of 75149464 is 46494157.

Its product of digits (120960) is a multiple of the sum of its prime divisors (480).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75149467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212712 + ... + 213064.

It is an arithmetic number, because the mean of its divisors is an integer number (2508975).

Almost surely, 2^75149464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75149464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80287200).

75149464 is an abundant number, since it is smaller than the sum of its proper divisors (85424936).

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

75149464 is a wasteful number, since it uses less digits than its factorization.

75149464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 480 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 75149464 is about 8668.8790509500. The cubic root of 75149464 is about 421.9962863640.

The spelling of 75149464 in words is "seventy-five million, one hundred forty-nine thousand, four hundred sixty-four".