7401346740 has 72 divisors (see below), whose sum is σ = 22458185568. Its totient is φ = 1973039040.

The previous prime is 7401346739. The next prime is 7401346753. The reversal of 7401346740 is 476431047.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7401346695 and 7401346704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 809595 + ... + 818685.

It is an arithmetic number, because the mean of its divisors is an integer number (311919244).

Almost surely, 2^7401346740 is an apocalyptic number.

It is an amenable number.

7401346740 is an abundant number, since it is smaller than the sum of its proper divisors (15056838828).

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

7401346740 is a wasteful number, since it uses less digits than its factorization.

7401346740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13629 (or 13624 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 7401346740 is about 86031.0800815612. The cubic root of 7401346740 is about 1948.8133687769.

Adding to 7401346740 its reverse (476431047), we get a palindrome (7877777787).

The spelling of 7401346740 in words is "seven billion, four hundred one million, three hundred forty-six thousand, seven hundred forty".