72046298 has 4 divisors (see below), whose sum is σ = 108069450. Its totient is φ = 36023148.

The previous prime is 72046297. The next prime is 72046333. The reversal of 72046298 is 89264027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89264027 = 2699 ⋅33073.

It can be written as a sum of positive squares in only one way, i.e., 63792169 + 8254129 = 7987^2 + 2873^2 .

It is not an unprimeable number, because it can be changed into a prime (72046297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18011573 + ... + 18011576.

Almost surely, 2^72046298 is an apocalyptic number.

72046298 is a deficient number, since it is larger than the sum of its proper divisors (36023152).

72046298 is a wasteful number, since it uses less digits than its factorization.

72046298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36023151.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 72046298 is about 8488.0090716257. The cubic root of 72046298 is about 416.1059156161.

The spelling of 72046298 in words is "seventy-two million, forty-six thousand, two hundred ninety-eight".