73693140 has 24 divisors (see below), whose sum is σ = 206340960. Its totient is φ = 19651488.

The previous prime is 73693129. The next prime is 73693141. The reversal of 73693140 is 4139637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73693141) 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, 614050 + ... + 614169.

It is an arithmetic number, because the mean of its divisors is an integer number (8597540).

Almost surely, 2^73693140 is an apocalyptic number.

It is an amenable number.

73693140 is an abundant number, since it is smaller than the sum of its proper divisors (132647820).

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

73693140 is a wasteful number, since it uses less digits than its factorization.

73693140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228231 (or 1228229 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 73693140 is about 8584.4708631342. The cubic root of 73693140 is about 419.2525253828.

The spelling of 73693140 in words is "seventy-three million, six hundred ninety-three thousand, one hundred forty".