72527534 has 4 divisors (see below), whose sum is σ = 108791304. Its totient is φ = 36263766.

The previous prime is 72527531. The next prime is 72527537. The reversal of 72527534 is 43572527.

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

It is an interprime number because it is at equal distance from previous prime (72527531) and next prime (72527537).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72527494 and 72527503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72527531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18131882 + ... + 18131885.

It is an arithmetic number, because the mean of its divisors is an integer number (27197826).

Almost surely, 2^72527534 is an apocalyptic number.

72527534 is a deficient number, since it is larger than the sum of its proper divisors (36263770).

72527534 is a wasteful number, since it uses less digits than its factorization.

72527534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36263769.

The product of its digits is 58800, while the sum is 35.

The square root of 72527534 is about 8516.3098816330. The cubic root of 72527534 is about 417.0303255707.

The spelling of 72527534 in words is "seventy-two million, five hundred twenty-seven thousand, five hundred thirty-four".