75472073 has 4 divisors (see below), whose sum is σ = 77906688. Its totient is φ = 73037460.

The previous prime is 75472069. The next prime is 75472081. The reversal of 75472073 is 37027457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37027457 = 107 ⋅346051.

It is a cyclic number.

It is not a de Polignac number, because 75472073 - 2² = 75472069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75472003) 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, 1217261 + ... + 1217322.

It is an arithmetic number, because the mean of its divisors is an integer number (19476672).

Almost surely, 2^75472073 is an apocalyptic number.

It is an amenable number.

75472073 is a deficient number, since it is larger than the sum of its proper divisors (2434615).

75472073 is a wasteful number, since it uses less digits than its factorization.

75472073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434614.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 75472073 is about 8687.4664315898. The cubic root of 75472073 is about 422.5992866808.

It can be divided in two parts, 754 and 72073, that added together give a palindrome (72827).

The spelling of 75472073 in words is "seventy-five million, four hundred seventy-two thousand, seventy-three".