72773493 has 8 divisors (see below), whose sum is σ = 104495328. Its totient is φ = 44783664.

The previous prime is 72773479. The next prime is 72773507. The reversal of 72773493 is 39437727.

It is an interprime number because it is at equal distance from previous prime (72773479) and next prime (72773507).

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

It is not a de Polignac number, because 72773493 - 2²¹ = 70676341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72773443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932955 + ... + 933032.

It is an arithmetic number, because the mean of its divisors is an integer number (13061916).

Almost surely, 2^72773493 is an apocalyptic number.

It is an amenable number.

72773493 is a deficient number, since it is larger than the sum of its proper divisors (31721835).

72773493 is a wasteful number, since it uses less digits than its factorization.

72773493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866003.

The product of its digits is 222264, while the sum is 42.

The square root of 72773493 is about 8530.7381275010. The cubic root of 72773493 is about 417.5012117048.

The spelling of 72773493 in words is "seventy-two million, seven hundred seventy-three thousand, four hundred ninety-three".