73278801 has 12 divisors (see below), whose sum is σ = 111418320. Its totient is φ = 46281240.

The previous prime is 73278797. The next prime is 73278811. The reversal of 73278801 is 10887237.

It is not a de Polignac number, because 73278801 - 2² = 73278797 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (73278811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214095 + ... + 214436.

It is an arithmetic number, because the mean of its divisors is an integer number (9284860).

Almost surely, 2^73278801 is an apocalyptic number.

It is an amenable number.

73278801 is a deficient number, since it is larger than the sum of its proper divisors (38139519).

73278801 is a wasteful number, since it uses less digits than its factorization.

73278801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428556 (or 428553 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 73278801 is about 8560.3037913382. The cubic root of 73278801 is about 418.4653003265.

The spelling of 73278801 in words is "seventy-three million, two hundred seventy-eight thousand, eight hundred one".