61875794 has 4 divisors (see below), whose sum is σ = 92813694. Its totient is φ = 30937896.

The previous prime is 61875791. The next prime is 61875809. The reversal of 61875794 is 49757816.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40132225 + 21743569 = 6335^2 + 4663^2 .

It is a super-2 number, since 2×61875794² = 7657227766260872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61875791) 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 as a sum of consecutive naturals, namely, 15468947 + ... + 15468950.

Almost surely, 2^61875794 is an apocalyptic number.

61875794 is a deficient number, since it is larger than the sum of its proper divisors (30937900).

61875794 is a wasteful number, since it uses less digits than its factorization.

61875794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30937899.

The product of its digits is 423360, while the sum is 47.

The square root of 61875794 is about 7866.1168310673. The cubic root of 61875794 is about 395.5246864923.

The spelling of 61875794 in words is "sixty-one million, eight hundred seventy-five thousand, seven hundred ninety-four".