72034090 has 8 divisors (see below), whose sum is σ = 129661380. Its totient is φ = 28813632.

The previous prime is 72034063. The next prime is 72034093. The reversal of 72034090 is 9043027.

It can be written as a sum of positive squares in 2 ways, for example, as 71048041 + 986049 = 8429^2 + 993^2 .

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

It is not an unprimeable number, because it can be changed into a prime (72034093) 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, 3601695 + ... + 3601714.

Almost surely, 2^72034090 is an apocalyptic number.

72034090 is a deficient number, since it is larger than the sum of its proper divisors (57627290).

72034090 is a wasteful number, since it uses less digits than its factorization.

72034090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7203416.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 72034090 is about 8487.2899090346. The cubic root of 72034090 is about 416.0824117115.

The spelling of 72034090 in words is "seventy-two million, thirty-four thousand, ninety".