73901640248 has 16 divisors (see below), whose sum is σ = 139415673480. Its totient is φ = 36724127328.

The previous prime is 73901640227. The next prime is 73901640251. The reversal of 73901640248 is 84204610937.

It is a super-2 number, since 2×73901640248² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73901640199 and 73901640208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28335215 + ... + 28337822.

Almost surely, 2^73901640248 is an apocalyptic number.

It is an amenable number.

73901640248 is a deficient number, since it is larger than the sum of its proper divisors (65514033232).

73901640248 is a wasteful number, since it uses less digits than its factorization.

73901640248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56673206 (or 56673202 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 73901640248 in words is "seventy-three billion, nine hundred one million, six hundred forty thousand, two hundred forty-eight".