7487634 has 64 divisors (see below), whose sum is σ = 19676160. Its totient is φ = 1840320.

The previous prime is 7487621. The next prime is 7487639. The reversal of 7487634 is 4367847.

It is a happy number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 7487592 and 7487601.

It is not an unprimeable number, because it can be changed into a prime (7487639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8352 + ... + 9204.

It is an arithmetic number, because the mean of its divisors is an integer number (307440).

Almost surely, 2^7487634 is an apocalyptic number.

7487634 is the 1463-rd nonagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7487634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9838080).

7487634 is an abundant number, since it is smaller than the sum of its proper divisors (12188526).

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

7487634 is a wasteful number, since it uses less digits than its factorization.

7487634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895.

The product of its digits is 112896, while the sum is 39.

The square root of 7487634 is about 2736.3541437467. The cubic root of 7487634 is about 195.6357423152.

The spelling of 7487634 in words is "seven million, four hundred eighty-seven thousand, six hundred thirty-four".