975420434 has 4 divisors (see below), whose sum is σ = 1463130654. Its totient is φ = 487710216.

The previous prime is 975420431. The next prime is 975420443. The reversal of 975420434 is 434024579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434024579 = 53 ⋅8189143.

It can be written as a sum of positive squares in only one way, i.e., 559464409 + 415956025 = 23653^2 + 20395^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (975420431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243855107 + ... + 243855110.

Almost surely, 2^975420434 is an apocalyptic number.

975420434 is a deficient number, since it is larger than the sum of its proper divisors (487710220).

975420434 is a wasteful number, since it uses less digits than its factorization.

975420434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487710219.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 975420434 is about 31231.7215984006. The cubic root of 975420434 is about 991.7387510375.

The spelling of 975420434 in words is "nine hundred seventy-five million, four hundred twenty thousand, four hundred thirty-four".