61322406 has 16 divisors (see below), whose sum is σ = 122864304. Its totient is φ = 20404224.

The previous prime is 61322399. The next prime is 61322411. The reversal of 61322406 is 60422316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5395 + ... + 12318.

It is an arithmetic number, because the mean of its divisors is an integer number (7679019).

Almost surely, 2^61322406 is an apocalyptic number.

61322406 is an abundant number, since it is smaller than the sum of its proper divisors (61541898).

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

61322406 is a wasteful number, since it uses less digits than its factorization.

61322406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18295.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 61322406 is about 7830.8624046142. The cubic root of 61322406 is about 394.3420248063.

The spelling of 61322406 in words is "sixty-one million, three hundred twenty-two thousand, four hundred six".