72927494 has 8 divisors (see below), whose sum is σ = 109454328. Its totient is φ = 36442720.

The previous prime is 72927473. The next prime is 72927499. The reversal of 72927494 is 49472927.

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

It is a super-2 number, since 2×72927494² = 10636838762240072, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72927499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5747 + ... + 13374.

It is an arithmetic number, because the mean of its divisors is an integer number (13681791).

Almost surely, 2^72927494 is an apocalyptic number.

72927494 is a deficient number, since it is larger than the sum of its proper divisors (36526834).

72927494 is a wasteful number, since it uses less digits than its factorization.

72927494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21030.

The product of its digits is 254016, while the sum is 44.

The square root of 72927494 is about 8539.7595984899. The cubic root of 72927494 is about 417.7955052323.

The spelling of 72927494 in words is "seventy-two million, nine hundred twenty-seven thousand, four hundred ninety-four".