75149064 has 48 divisors (see below), whose sum is σ = 208501020. Its totient is φ = 24437760.

The previous prime is 75149051. The next prime is 75149077. The reversal of 75149064 is 46094157.

It is an interprime number because it is at equal distance from previous prime (75149051) and next prime (75149077).

It can be written as a sum of positive squares in 2 ways, for example, as 51236964 + 23912100 = 7158^2 + 4890^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9777 + ... + 15680.

Almost surely, 2^75149064 is an apocalyptic number.

It is an amenable number.

75149064 is an abundant number, since it is smaller than the sum of its proper divisors (133351956).

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

75149064 is a wasteful number, since it uses less digits than its factorization.

75149064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25510 (or 25503 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 75149064 is about 8668.8559798857. The cubic root of 75149064 is about 421.9955376391.

The spelling of 75149064 in words is "seventy-five million, one hundred forty-nine thousand, sixty-four".