75159401 has 4 divisors (see below), whose sum is σ = 75234900. Its totient is φ = 75083904.

The previous prime is 75159391. The next prime is 75159467. The reversal of 75159401 is 10495157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10495157 = 809 ⋅12973.

It can be written as a sum of positive squares in 2 ways, for example, as 36421225 + 38738176 = 6035^2 + 6224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75159401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75159001) 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, 36236 + ... + 38253.

It is an arithmetic number, because the mean of its divisors is an integer number (18808725).

Almost surely, 2^75159401 is an apocalyptic number.

It is an amenable number.

75159401 is a deficient number, since it is larger than the sum of its proper divisors (75499).

75159401 is a wasteful number, since it uses less digits than its factorization.

75159401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75498.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 75159401 is about 8669.4521741573. The cubic root of 75159401 is about 422.0148857084.

The spelling of 75159401 in words is "seventy-five million, one hundred fifty-nine thousand, four hundred one".