68587494 has 64 divisors (see below), whose sum is σ = 148262400. Its totient is φ = 21111552.

The previous prime is 68587489. The next prime is 68587499. The reversal of 68587494 is 49478586.

It is an interprime number because it is at equal distance from previous prime (68587489) and next prime (68587499).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68587499) 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, 665847 + ... + 665949.

It is an arithmetic number, because the mean of its divisors is an integer number (2316600).

Almost surely, 2^68587494 is an apocalyptic number.

68587494 is an abundant number, since it is smaller than the sum of its proper divisors (79674906).

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

68587494 is a wasteful number, since it uses less digits than its factorization.

68587494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269.

The product of its digits is 1935360, while the sum is 51.

The square root of 68587494 is about 8281.7566977061. The cubic root of 68587494 is about 409.3376058068.

The spelling of 68587494 in words is "sixty-eight million, five hundred eighty-seven thousand, four hundred ninety-four".