75090151 has 4 divisors (see below), whose sum is σ = 75110400. Its totient is φ = 75069904.

The previous prime is 75090079. The next prime is 75090157. The reversal of 75090151 is 15109057.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75090151 - 2⁷ = 75090023 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 (75090157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2791 + ... + 12568.

It is an arithmetic number, because the mean of its divisors is an integer number (18777600).

Almost surely, 2^75090151 is an apocalyptic number.

75090151 is a deficient number, since it is larger than the sum of its proper divisors (20249).

75090151 is a wasteful number, since it uses less digits than its factorization.

75090151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20248.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 75090151 is about 8665.4573451146. The cubic root of 75090151 is about 421.8852345464.

The spelling of 75090151 in words is "seventy-five million, ninety thousand, one hundred fifty-one".