73640007037 has 16 divisors (see below), whose sum is σ = 74326844160. Its totient is φ = 72957442752.

The previous prime is 73640006977. The next prime is 73640007041. The reversal of 73640007037 is 73070004637.

It is a cyclic number.

It is not a de Polignac number, because 73640007037 - 2¹¹ = 73640004989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73640006987 and 73640007005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73640007137) 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, 66762828 + ... + 66763930.

It is an arithmetic number, because the mean of its divisors is an integer number (4645427760).

Almost surely, 2^73640007037 is an apocalyptic number.

It is an amenable number.

73640007037 is a deficient number, since it is larger than the sum of its proper divisors (686837123).

73640007037 is a wasteful number, since it uses less digits than its factorization.

73640007037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532.

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

The spelling of 73640007037 in words is "seventy-three billion, six hundred forty million, seven thousand, thirty-seven".