73736740 has 48 divisors (see below), whose sum is σ = 193060224. Its totient is φ = 22982400.

The previous prime is 73736717. The next prime is 73736743. The reversal of 73736740 is 4763737.

It is a self number, because there is not a number n which added to its sum of digits gives 73736740.

It is not an unprimeable number, because it can be changed into a prime (73736743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22401 + ... + 25480.

It is an arithmetic number, because the mean of its divisors is an integer number (4022088).

Almost surely, 2^73736740 is an apocalyptic number.

73736740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73736740 is an abundant number, since it is smaller than the sum of its proper divisors (119323484).

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

73736740 is a wasteful number, since it uses less digits than its factorization.

73736740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47908 (or 47906 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 37.

The square root of 73736740 is about 8587.0099569058. The cubic root of 73736740 is about 419.3351916315.

The spelling of 73736740 in words is "seventy-three million, seven hundred thirty-six thousand, seven hundred forty".