7442009785 has 32 divisors (see below), whose sum is σ = 10523538432. Its totient is φ = 4946235840.

The previous prime is 7442009779. The next prime is 7442009797. The reversal of 7442009785 is 5879002447.

It is not a de Polignac number, because 7442009785 - 2⁹ = 7442009273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178282 + ... + 216028.

It is an arithmetic number, because the mean of its divisors is an integer number (328860576).

Almost surely, 2^7442009785 is an apocalyptic number.

It is an amenable number.

7442009785 is a deficient number, since it is larger than the sum of its proper divisors (3081528647).

7442009785 is a wasteful number, since it uses less digits than its factorization.

7442009785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37933.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 7442009785 is about 86267.0840181816. The cubic root of 7442009785 is about 1952.3757836646.

The spelling of 7442009785 in words is "seven billion, four hundred forty-two million, nine thousand, seven hundred eighty-five".