7347447042 has 48 divisors (see below), whose sum is σ = 16033979808. Its totient is φ = 2243454720.

The previous prime is 7347447031. The next prime is 7347447077. The reversal of 7347447042 is 2407447437.

It is a junction number, because it is equal to n+sod(n) for n = 7347446985 and 7347447003.

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, 105178 + ... + 160490.

It is an arithmetic number, because the mean of its divisors is an integer number (334041246).

Almost surely, 2^7347447042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7347447042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8016989904).

7347447042 is an abundant number, since it is smaller than the sum of its proper divisors (8686532766).

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

7347447042 is a wasteful number, since it uses less digits than its factorization.

7347447042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55475 (or 55462 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 42.

The square root of 7347447042 is about 85717.2505508664. The cubic root of 7347447042 is about 1944.0711475214.

The spelling of 7347447042 in words is "seven billion, three hundred forty-seven million, four hundred forty-seven thousand, forty-two".