73999494 has 40 divisors (see below), whose sum is σ = 166486320. Its totient is φ = 24566544.

The previous prime is 73999493. The next prime is 73999567. The reversal of 73999494 is 49499937.

It is a super-2 number, since 2×73999494² = 10951850224512072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 73999494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73999493) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46687 + ... + 48245.

It is an arithmetic number, because the mean of its divisors is an integer number (4162158).

Almost surely, 2^73999494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73999494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83243160).

73999494 is an abundant number, since it is smaller than the sum of its proper divisors (92486826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73999494 is a wasteful number, since it uses less digits than its factorization.

73999494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866 (or 1857 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 73999494 is about 8602.2958563397. The cubic root of 73999494 is about 419.8326884605.

The spelling of 73999494 in words is "seventy-three million, nine hundred ninety-nine thousand, four hundred ninety-four".