75149463 has 8 divisors (see below), whose sum is σ = 100838128. Its totient is φ = 49780224.

The previous prime is 75149383. The next prime is 75149467. The reversal of 75149463 is 36494157.

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

It is not a de Polignac number, because 75149463 - 2¹⁶ = 75083927 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 (75149467) 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, 79306 + ... + 80247.

It is an arithmetic number, because the mean of its divisors is an integer number (12604766).

Almost surely, 2^75149463 is an apocalyptic number.

75149463 is a deficient number, since it is larger than the sum of its proper divisors (25688665).

75149463 is a wasteful number, since it uses less digits than its factorization.

75149463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159713.

The product of its digits is 90720, while the sum is 39.

The square root of 75149463 is about 8668.8789932724. The cubic root of 75149463 is about 421.9962844922.

The spelling of 75149463 in words is "seventy-five million, one hundred forty-nine thousand, four hundred sixty-three".