7499999994 has 16 divisors (see below), whose sum is σ = 15003455040. Its totient is φ = 2499424160.

The previous prime is 7499999977. The next prime is 7499999999. The reversal of 7499999994 is 4999999947.

It is not an unprimeable number, because it can be changed into a prime (7499999999) 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, 115302 + ... + 168209.

It is an arithmetic number, because the mean of its divisors is an integer number (937715940).

Almost surely, 2^7499999994 is an apocalyptic number.

7499999994 is an abundant number, since it is smaller than the sum of its proper divisors (7503455046).

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

7499999994 is a wasteful number, since it uses less digits than its factorization.

7499999994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287925.

The product of its digits is 535692528, while the sum is 78.

The square root of 7499999994 is about 86602.5403438028. The cubic root of 7499999994 is about 1957.4338200624.

The spelling of 7499999994 in words is "seven billion, four hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-four".