30464172037 has 48 divisors (see below), whose sum is σ = 36498152448. Its totient is φ = 25323217920.

The previous prime is 30464172017. The next prime is 30464172061. The reversal of 30464172037 is 73027146403.

It is not a de Polignac number, because 30464172037 - 2¹⁹ = 30463647749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30464171987 and 30464172005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30464172017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4454973 + ... + 4461805.

It is an arithmetic number, because the mean of its divisors is an integer number (760378176).

Almost surely, 2^30464172037 is an apocalyptic number.

30464172037 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

30464172037 is a deficient number, since it is larger than the sum of its proper divisors (6033980411).

30464172037 is a wasteful number, since it uses less digits than its factorization.

30464172037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6950 (or 6937 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 30464172037 in words is "thirty billion, four hundred sixty-four million, one hundred seventy-two thousand, thirty-seven".