7491495055 has 8 divisors (see below), whose sum is σ = 9807048144. Its totient is φ = 5448360000.

The previous prime is 7491495041. The next prime is 7491495073. The reversal of 7491495055 is 5505941947.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7491495055 - 2⁵ = 7491495023 is a prime.

It is a super-2 number, since 2×7491495055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68104446 + ... + 68104555.

It is an arithmetic number, because the mean of its divisors is an integer number (1225881018).

Almost surely, 2^7491495055 is an apocalyptic number.

7491495055 is a deficient number, since it is larger than the sum of its proper divisors (2315553089).

7491495055 is a wasteful number, since it uses less digits than its factorization.

7491495055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136209017.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The square root of 7491495055 is about 86553.4231269913. The cubic root of 7491495055 is about 1956.6936355264.

The spelling of 7491495055 in words is "seven billion, four hundred ninety-one million, four hundred ninety-five thousand, fifty-five".