61007340 has 24 divisors (see below), whose sum is σ = 170820720. Its totient is φ = 16268608.

The previous prime is 61007327. The next prime is 61007351. The reversal of 61007340 is 4370016.

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, 508335 + ... + 508454.

It is an arithmetic number, because the mean of its divisors is an integer number (7117530).

Almost surely, 2^61007340 is an apocalyptic number.

61007340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61007340 is an abundant number, since it is smaller than the sum of its proper divisors (109813380).

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

61007340 is a wasteful number, since it uses less digits than its factorization.

61007340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016801 (or 1016799 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 61007340 is about 7810.7195571215. The cubic root of 61007340 is about 393.6655066875.

Adding to 61007340 its reverse (4370016), we get a palindrome (65377356).

The spelling of 61007340 in words is "sixty-one million, seven thousand, three hundred forty".