73639485 has 48 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 37927680.

The previous prime is 73639483. The next prime is 73639487. The reversal of 73639485 is 58493637.

73639485 is a `hidden beast` number, since 7 + 3 + 639 + 4 + 8 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (73639483) and next prime (73639487).

It is not a de Polignac number, because 73639485 - 2¹ = 73639483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 73639485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73639483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 307996 + ... + 308234.

It is an arithmetic number, because the mean of its divisors is an integer number (2751840).

Almost surely, 2^73639485 is an apocalyptic number.

It is an amenable number.

73639485 is a deficient number, since it is larger than the sum of its proper divisors (58448835).

73639485 is a wasteful number, since it uses less digits than its factorization.

73639485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 455 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 73639485 is about 8581.3451742719. The cubic root of 73639485 is about 419.1507499398.

The spelling of 73639485 in words is "seventy-three million, six hundred thirty-nine thousand, four hundred eighty-five".