72434089 has 8 divisors (see below), whose sum is σ = 89149760. Its totient is φ = 57310416.

The previous prime is 72434081. The next prime is 72434113. The reversal of 72434089 is 98043427.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72434089 - 2³ = 72434081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72434081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397899 + ... + 398080.

It is an arithmetic number, because the mean of its divisors is an integer number (11143720).

Almost surely, 2^72434089 is an apocalyptic number.

It is an amenable number.

72434089 is a deficient number, since it is larger than the sum of its proper divisors (16715671).

72434089 is a wasteful number, since it uses less digits than its factorization.

72434089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795999.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 72434089 is about 8510.8218757062. The cubic root of 72434089 is about 416.8511469666.

The spelling of 72434089 in words is "seventy-two million, four hundred thirty-four thousand, eighty-nine".