7471900840 has 32 divisors (see below), whose sum is σ = 17048568960. Its totient is φ = 2946664000.

The previous prime is 7471900831. The next prime is 7471900847. The reversal of 7471900840 is 480091747.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 7471900793 and 7471900802.

It is not an unprimeable number, because it can be changed into a prime (7471900847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312636 + ... + 1318315.

It is an arithmetic number, because the mean of its divisors is an integer number (532767780).

Almost surely, 2^7471900840 is an apocalyptic number.

It is an amenable number.

7471900840 is an abundant number, since it is smaller than the sum of its proper divisors (9576668120).

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

7471900840 is a wasteful number, since it uses less digits than its factorization.

7471900840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631033 (or 2631029 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 7471900840 is about 86440.1575657981. The cubic root of 7471900840 is about 1954.9862170696.

The spelling of 7471900840 in words is "seven billion, four hundred seventy-one million, nine hundred thousand, eight hundred forty".