61822854 has 12 divisors (see below), whose sum is σ = 133949556. Its totient is φ = 20607612.

The previous prime is 61822823. The next prime is 61822877. The reversal of 61822854 is 45822816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1717284 + ... + 1717319.

It is an arithmetic number, because the mean of its divisors is an integer number (11162463).

Almost surely, 2^61822854 is an apocalyptic number.

61822854 is an abundant number, since it is smaller than the sum of its proper divisors (72126702).

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

61822854 is a wasteful number, since it uses less digits than its factorization.

61822854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434611 (or 3434608 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 61822854 is about 7862.7510452767. The cubic root of 61822854 is about 395.4118526462.

The spelling of 61822854 in words is "sixty-one million, eight hundred twenty-two thousand, eight hundred fifty-four".