34440778 has 16 divisors (see below), whose sum is σ = 53537760. Its totient is φ = 16606096.

The previous prime is 34440773. The next prime is 34440797. The reversal of 34440778 is 87704443.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (34440773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3501 + ... + 9007.

It is an arithmetic number, because the mean of its divisors is an integer number (3346110).

Almost surely, 2^34440778 is an apocalyptic number.

34440778 is a deficient number, since it is larger than the sum of its proper divisors (19096982).

34440778 is a wasteful number, since it uses less digits than its factorization.

34440778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 34440778 is about 5868.6265854968. The cubic root of 34440778 is about 325.3551242440.

The spelling of 34440778 in words is "thirty-four million, four hundred forty thousand, seven hundred seventy-eight".