7494861428 has 6 divisors (see below), whose sum is σ = 13116007506. Its totient is φ = 3747430712.

The previous prime is 7494861427. The next prime is 7494861431. The reversal of 7494861428 is 8241684947.

It can be written as a sum of positive squares in only one way, i.e., 6971916004 + 522945424 = 83498^2 + 22868^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7494861428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7494861421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936857675 + ... + 936857682.

It is an arithmetic number, because the mean of its divisors is an integer number (2186001251).

Almost surely, 2^7494861428 is an apocalyptic number.

It is an amenable number.

7494861428 is a deficient number, since it is larger than the sum of its proper divisors (5621146078).

7494861428 is a wasteful number, since it uses less digits than its factorization.

7494861428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873715361 (or 1873715359 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 53.

The square root of 7494861428 is about 86572.8677357981. The cubic root of 7494861428 is about 1956.9866778001.

The spelling of 7494861428 in words is "seven billion, four hundred ninety-four million, eight hundred sixty-one thousand, four hundred twenty-eight".