7540645062 has 32 divisors (see below), whose sum is σ = 15124112640. Its totient is φ = 2506424480.

The previous prime is 7540645043. The next prime is 7540645081. The reversal of 7540645062 is 2605460457.

It is an interprime number because it is at equal distance from previous prime (7540645043) and next prime (7540645081).

It is a super-2 number, since 2×7540645062² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7540645062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5491408 + ... + 5492780.

It is an arithmetic number, because the mean of its divisors is an integer number (472628520).

Almost surely, 2^7540645062 is an apocalyptic number.

7540645062 is an abundant number, since it is smaller than the sum of its proper divisors (7583467578).

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

7540645062 is a wasteful number, since it uses less digits than its factorization.

7540645062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308.

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 7540645062 is about 86836.8876802940. The cubic root of 7540645062 is about 1960.9634529922.

The spelling of 7540645062 in words is "seven billion, five hundred forty million, six hundred forty-five thousand, sixty-two".