61929043 has 4 divisors (see below), whose sum is σ = 67558968. Its totient is φ = 56299120.

The previous prime is 61929031. The next prime is 61929061. The reversal of 61929043 is 34092916.

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

It is a cyclic number.

It is not a de Polignac number, because 61929043 - 2¹⁷ = 61797971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61929013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2814946 + ... + 2814967.

It is an arithmetic number, because the mean of its divisors is an integer number (16889742).

Almost surely, 2^61929043 is an apocalyptic number.

61929043 is a deficient number, since it is larger than the sum of its proper divisors (5629925).

61929043 is a wasteful number, since it uses less digits than its factorization.

61929043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629924.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 61929043 is about 7869.5008100895. The cubic root of 61929043 is about 395.6381140215.

The spelling of 61929043 in words is "sixty-one million, nine hundred twenty-nine thousand, forty-three".