6157740 has 48 divisors (see below), whose sum is σ = 18258912. Its totient is φ = 1545216.

The previous prime is 6157727. The next prime is 6157741. The reversal of 6157740 is 477516.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6157698 and 6157707.

It is not an unprimeable number, because it can be changed into a prime (6157741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1999 + ... + 4038.

It is an arithmetic number, because the mean of its divisors is an integer number (380394).

Almost surely, 2^6157740 is an apocalyptic number.

6157740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6157740 is an abundant number, since it is smaller than the sum of its proper divisors (12101172).

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

6157740 is a wasteful number, since it uses less digits than its factorization.

6157740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066 (or 6064 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 6157740 is about 2481.4793974563. The cubic root of 6157740 is about 183.2907081804.

The spelling of 6157740 in words is "six million, one hundred fifty-seven thousand, seven hundred forty".