61350723 has 32 divisors (see below), whose sum is σ = 106304000. Its totient is φ = 34237728.

The previous prime is 61350713. The next prime is 61350727. The reversal of 61350723 is 32705316.

It is a happy number.

It is not a de Polignac number, because 61350723 - 2¹³ = 61342531 is a prime.

It is a super-2 number, since 2×61350723² = 7527822425245458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61350727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4353 + ... + 11901.

It is an arithmetic number, because the mean of its divisors is an integer number (3322000).

Almost surely, 2^61350723 is an apocalyptic number.

61350723 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

61350723 is a deficient number, since it is larger than the sum of its proper divisors (44953277).

61350723 is a wasteful number, since it uses less digits than its factorization.

61350723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7608 (or 7602 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 61350723 is about 7832.6702343454. The cubic root of 61350723 is about 394.4027142317.

The spelling of 61350723 in words is "sixty-one million, three hundred fifty thousand, seven hundred twenty-three".