7374429840 has 40 divisors (see below), whose sum is σ = 22860733248. Its totient is φ = 1966514560.

The previous prime is 7374429817. The next prime is 7374429869. The reversal of 7374429840 is 489244737.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 7374429840.

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, 15363156 + ... + 15363635.

Almost surely, 2^7374429840 is an apocalyptic number.

It is an amenable number.

7374429840 is an abundant number, since it is smaller than the sum of its proper divisors (15486303408).

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

7374429840 is a wasteful number, since it uses less digits than its factorization.

7374429840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30726807 (or 30726801 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 7374429840 is about 85874.5005225649. The cubic root of 7374429840 is about 1946.4480454951.

The spelling of 7374429840 in words is "seven billion, three hundred seventy-four million, four hundred twenty-nine thousand, eight hundred forty".