7400074 has 16 divisors (see below), whose sum is σ = 12437856. Its totient is φ = 3272400.

The previous prime is 7400069. The next prime is 7400077. The reversal of 7400074 is 4700047.

It is a happy number.

It is a super-2 number, since 2×7400074² = 109522190410952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (7400077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3732 + ... + 5359.

It is an arithmetic number, because the mean of its divisors is an integer number (777366).

Almost surely, 2^7400074 is an apocalyptic number.

7400074 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

7400074 is a deficient number, since it is larger than the sum of its proper divisors (5037782).

7400074 is a wasteful number, since it uses less digits than its factorization.

7400074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9141.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 7400074 is about 2720.3077031836. The cubic root of 7400074 is about 194.8701656004.

Adding to 7400074 its reverse (4700047), we get a palindrome (12100121).

The spelling of 7400074 in words is "seven million, four hundred thousand, seventy-four".