6430972740 has 24 divisors (see below), whose sum is σ = 18006723840. Its totient is φ = 1714926048.

The previous prime is 6430972739. The next prime is 6430972771. The reversal of 6430972740 is 472790346.

It is a junction number, because it is equal to n+sod(n) for n = 6430972692 and 6430972701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53591380 + ... + 53591499.

It is an arithmetic number, because the mean of its divisors is an integer number (750280160).

Almost surely, 2^6430972740 is an apocalyptic number.

6430972740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6430972740 is an abundant number, since it is smaller than the sum of its proper divisors (11575751100).

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

6430972740 is a wasteful number, since it uses less digits than its factorization.

6430972740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107182891 (or 107182889 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 6430972740 is about 80193.3459833171. The cubic root of 6430972740 is about 1859.6257716298.

The spelling of 6430972740 in words is "six billion, four hundred thirty million, nine hundred seventy-two thousand, seven hundred forty".