73740663 has 6 divisors (see below), whose sum is σ = 106514304. Its totient is φ = 49160436.

The previous prime is 73740659. The next prime is 73740677. The reversal of 73740663 is 36604737.

It is not a de Polignac number, because 73740663 - 2² = 73740659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73741663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4096695 + ... + 4096712.

It is an arithmetic number, because the mean of its divisors is an integer number (17752384).

Almost surely, 2^73740663 is an apocalyptic number.

73740663 is a deficient number, since it is larger than the sum of its proper divisors (32773641).

73740663 is a wasteful number, since it uses less digits than its factorization.

73740663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8193413 (or 8193410 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 73740663 is about 8587.2383802943. The cubic root of 73740663 is about 419.3426280998.

The spelling of 73740663 in words is "seventy-three million, seven hundred forty thousand, six hundred sixty-three".