75872534 has 4 divisors (see below), whose sum is σ = 113808804. Its totient is φ = 37936266.

The previous prime is 75872519. The next prime is 75872539. The reversal of 75872534 is 43527857.

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

It is a junction number, because it is equal to n+sod(n) for n = 75872491 and 75872500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75872539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18968132 + ... + 18968135.

It is an arithmetic number, because the mean of its divisors is an integer number (28452201).

Almost surely, 2^75872534 is an apocalyptic number.

75872534 is a deficient number, since it is larger than the sum of its proper divisors (37936270).

75872534 is a wasteful number, since it uses less digits than its factorization.

75872534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37936269.

The product of its digits is 235200, while the sum is 41.

The square root of 75872534 is about 8710.4841426869. The cubic root of 75872534 is about 423.3454173637.

The spelling of 75872534 in words is "seventy-five million, eight hundred seventy-two thousand, five hundred thirty-four".