7477429945 has 8 divisors (see below), whose sum is σ = 8973572544. Its totient is φ = 5981506224.

The previous prime is 7477429943. The next prime is 7477429987. The reversal of 7477429945 is 5499247747.

It is a happy number.

7477429945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 7477429945 - 2¹ = 7477429943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7477429945.

It is not an unprimeable number, because it can be changed into a prime (7477429943) 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, 33322 + ... + 126748.

It is an arithmetic number, because the mean of its divisors is an integer number (1121696568).

Almost surely, 2^7477429945 is an apocalyptic number.

It is an amenable number.

7477429945 is a deficient number, since it is larger than the sum of its proper divisors (1496142599).

7477429945 is a wasteful number, since it uses less digits than its factorization.

7477429945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109439.

The product of its digits is 17781120, while the sum is 58.

The square root of 7477429945 is about 86472.1339218595. The cubic root of 7477429945 is about 1955.4683192434.

The spelling of 7477429945 in words is "seven billion, four hundred seventy-seven million, four hundred twenty-nine thousand, nine hundred forty-five".