73715940 has 48 divisors (see below), whose sum is σ = 229340160. Its totient is φ = 19657440.

The previous prime is 73715933. The next prime is 73715969. The reversal of 73715940 is 4951737.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 73715895 and 73715904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67716 + ... + 68795.

It is an arithmetic number, because the mean of its divisors is an integer number (4777920).

Almost surely, 2^73715940 is an apocalyptic number.

It is an amenable number.

73715940 is an abundant number, since it is smaller than the sum of its proper divisors (155624220).

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

73715940 is a wasteful number, since it uses less digits than its factorization.

73715940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136529 (or 136521 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 73715940 is about 8585.7987397795. The cubic root of 73715940 is about 419.2957585880.

The spelling of 73715940 in words is "seventy-three million, seven hundred fifteen thousand, nine hundred forty".