65074457 has 4 divisors (see below), whose sum is σ = 74370816. Its totient is φ = 55778100.

The previous prime is 65074441. The next prime is 65074489. The reversal of 65074457 is 75447056.

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.

It is not a de Polignac number, because 65074457 - 2⁴ = 65074441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65074457.

It is not an unprimeable number, because it can be changed into a prime (65074357) 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, 4648169 + ... + 4648182.

It is an arithmetic number, because the mean of its divisors is an integer number (18592704).

Almost surely, 2^65074457 is an apocalyptic number.

It is an amenable number.

65074457 is a deficient number, since it is larger than the sum of its proper divisors (9296359).

65074457 is an equidigital number, since it uses as much as digits as its factorization.

65074457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9296358.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 65074457 is about 8066.8740538080. The cubic root of 65074457 is about 402.2260409570.

The spelling of 65074457 in words is "sixty-five million, seventy-four thousand, four hundred fifty-seven".