7645920354 has 24 divisors (see below), whose sum is σ = 17137408860. Its totient is φ = 2460755808.

The previous prime is 7645920353. The next prime is 7645920413. The reversal of 7645920354 is 4530295467.

7645920354 is a `hidden beast` number, since 7 + 6 + 4 + 592 + 0 + 3 + 54 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7547613129 + 98307225 = 86877^2 + 9915^2 .

It is a super-2 number, since 2×7645920354² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7645920353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7323157 + ... + 7324200.

Almost surely, 2^7645920354 is an apocalyptic number.

7645920354 is an abundant number, since it is smaller than the sum of its proper divisors (9491488506).

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

7645920354 is a wasteful number, since it uses less digits than its factorization.

7645920354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14647394 (or 14647391 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 7645920354 is about 87440.9535286527. The cubic root of 7645920354 is about 1970.0470115126.

The spelling of 7645920354 in words is "seven billion, six hundred forty-five million, nine hundred twenty thousand, three hundred fifty-four".