61826940 has 72 divisors (see below), whose sum is σ = 214337760. Its totient is φ = 14131584.

The previous prime is 61826939. The next prime is 61826951. The reversal of 61826940 is 4962816.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 61826895 and 61826904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23275 + ... + 25794.

Almost surely, 2^61826940 is an apocalyptic number.

61826940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61826940 is an abundant number, since it is smaller than the sum of its proper divisors (152510820).

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

61826940 is a wasteful number, since it uses less digits than its factorization.

61826940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49091 (or 49086 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 61826940 is about 7863.0108737048. The cubic root of 61826940 is about 395.4205636494.

The spelling of 61826940 in words is "sixty-one million, eight hundred twenty-six thousand, nine hundred forty".