7474142442 has 64 divisors (see below), whose sum is σ = 17160192000. Its totient is φ = 2151085248.

The previous prime is 7474142441. The next prime is 7474142443. The reversal of 7474142442 is 2442414747.

It is an interprime number because it is at equal distance from previous prime (7474142441) and next prime (7474142443).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 7474142442.

It is not an unprimeable number, because it can be changed into a prime (7474142441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85159 + ... + 148997.

It is an arithmetic number, because the mean of its divisors is an integer number (268128000).

Almost surely, 2^7474142442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7474142442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8580096000).

7474142442 is an abundant number, since it is smaller than the sum of its proper divisors (9686049558).

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

7474142442 is a wasteful number, since it uses less digits than its factorization.

7474142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63955.

The product of its digits is 200704, while the sum is 39.

The square root of 7474142442 is about 86453.1228007410. The cubic root of 7474142442 is about 1955.1816989130.

The spelling of 7474142442 in words is "seven billion, four hundred seventy-four million, one hundred forty-two thousand, four hundred forty-two".