7457979254 has 32 divisors (see below), whose sum is σ = 13222382976. Its totient is φ = 3116373120.

The previous prime is 7457979251. The next prime is 7457979281. The reversal of 7457979254 is 4529797547.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7457979193 and 7457979202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7457979251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215792 + ... + 247955.

It is an arithmetic number, because the mean of its divisors is an integer number (413199468).

Almost surely, 2^7457979254 is an apocalyptic number.

7457979254 is a deficient number, since it is larger than the sum of its proper divisors (5764403722).

7457979254 is a wasteful number, since it uses less digits than its factorization.

7457979254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463820.

The product of its digits is 22226400, while the sum is 59.

The square root of 7457979254 is about 86359.5927155750. The cubic root of 7457979254 is about 1953.7712906385.

The spelling of 7457979254 in words is "seven billion, four hundred fifty-seven million, nine hundred seventy-nine thousand, two hundred fifty-four".