72274354 has 8 divisors (see below), whose sum is σ = 108613548. Its totient is φ = 36069840.

The previous prime is 72274343. The next prime is 72274373. The reversal of 72274354 is 45347227.

It can be written as a sum of positive squares in 2 ways, for example, as 69305625 + 2968729 = 8325^2 + 1723^2 .

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

It is a super-2 number, since 2×72274354² = 10447164492234632, which contains 22 as substring.

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, 32317 + ... + 34480.

Almost surely, 2^72274354 is an apocalyptic number.

72274354 is a deficient number, since it is larger than the sum of its proper divisors (36339194).

72274354 is a wasteful number, since it uses less digits than its factorization.

72274354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67340.

The product of its digits is 47040, while the sum is 34.

The square root of 72274354 is about 8501.4324675316. The cubic root of 72274354 is about 416.5445016430.

It can be divided in two parts, 722 and 74354, that added together give a square (75076 = 274²).

The spelling of 72274354 in words is "seventy-two million, two hundred seventy-four thousand, three hundred fifty-four".