72069958 has 8 divisors (see below), whose sum is σ = 108143352. Its totient is φ = 36022176.

The previous prime is 72069937. The next prime is 72069967. The reversal of 72069958 is 85996027.

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

It is a super-2 number, since 2×72069958² = 10388157692243528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4041 + ... + 12667.

It is an arithmetic number, because the mean of its divisors is an integer number (13517919).

Almost surely, 2^72069958 is an apocalyptic number.

72069958 is a deficient number, since it is larger than the sum of its proper divisors (36073394).

72069958 is a wasteful number, since it uses less digits than its factorization.

72069958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12806.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 72069958 is about 8489.4026880576. The cubic root of 72069958 is about 416.1514603502.

The spelling of 72069958 in words is "seventy-two million, sixty-nine thousand, nine hundred fifty-eight".