72952258 has 8 divisors (see below), whose sum is σ = 110927628. Its totient is φ = 35976384.

The previous prime is 72952249. The next prime is 72952291. The reversal of 72952258 is 85225927.

It can be written as a sum of positive squares in 2 ways, for example, as 72301009 + 651249 = 8503^2 + 807^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 72952258.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249691 + ... + 249982.

Almost surely, 2^72952258 is an apocalyptic number.

72952258 is a deficient number, since it is larger than the sum of its proper divisors (37975370).

72952258 is a wasteful number, since it uses less digits than its factorization.

72952258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499748.

The product of its digits is 100800, while the sum is 40.

The square root of 72952258 is about 8541.2093991425. The cubic root of 72952258 is about 417.8427901745.

The spelling of 72952258 in words is "seventy-two million, nine hundred fifty-two thousand, two hundred fifty-eight".