68903490 has 16 divisors (see below), whose sum is σ = 165368448. Its totient is φ = 18374256.

The previous prime is 68903489. The next prime is 68903491. The reversal of 68903490 is 9430986.

It is an interprime number because it is at equal distance from previous prime (68903489) and next prime (68903491).

It is not an unprimeable number, because it can be changed into a prime (68903491) 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, 1148362 + ... + 1148421.

It is an arithmetic number, because the mean of its divisors is an integer number (10335528).

Almost surely, 2^68903490 is an apocalyptic number.

68903490 is an abundant number, since it is smaller than the sum of its proper divisors (96464958).

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

68903490 is a wasteful number, since it uses less digits than its factorization.

68903490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296793.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 68903490 is about 8300.8126108231. The cubic root of 68903490 is about 409.9652756632.

The spelling of 68903490 in words is "sixty-eight million, nine hundred three thousand, four hundred ninety".