72379346 has 8 divisors (see below), whose sum is σ = 116920524. Its totient is φ = 33405840.

The previous prime is 72379301. The next prime is 72379357. The reversal of 72379346 is 64397327.

It can be written as a sum of positive squares in 2 ways, for example, as 58354321 + 14025025 = 7639^2 + 3745^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391885 + ... + 1391936.

Almost surely, 2^72379346 is an apocalyptic number.

72379346 is a deficient number, since it is larger than the sum of its proper divisors (44541178).

72379346 is a wasteful number, since it uses less digits than its factorization.

72379346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783836.

The product of its digits is 190512, while the sum is 41.

The square root of 72379346 is about 8507.6051859498. The cubic root of 72379346 is about 416.7461069510.

The spelling of 72379346 in words is "seventy-two million, three hundred seventy-nine thousand, three hundred forty-six".