61862969 has 4 divisors (see below), whose sum is σ = 70700544. Its totient is φ = 53025396.

The previous prime is 61862963. The next prime is 61862981. The reversal of 61862969 is 96926816.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61862969 - 2²⁴ = 45085753 is a prime.

It is a super-2 number, since 2×61862969² = 7654053866989922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61862963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4418777 + ... + 4418790.

It is an arithmetic number, because the mean of its divisors is an integer number (17675136).

Almost surely, 2^61862969 is an apocalyptic number.

It is an amenable number.

61862969 is a deficient number, since it is larger than the sum of its proper divisors (8837575).

61862969 is an equidigital number, since it uses as much as digits as its factorization.

61862969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8837574.

The product of its digits is 279936, while the sum is 47.

The square root of 61862969 is about 7865.3015835377. The cubic root of 61862969 is about 395.4973577946.

The spelling of 61862969 in words is "sixty-one million, eight hundred sixty-two thousand, nine hundred sixty-nine".