61838002 has 4 divisors (see below), whose sum is σ = 92757006. Its totient is φ = 30919000.

The previous prime is 61837991. The next prime is 61838003. The reversal of 61838002 is 20083816.

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., 61011721 + 826281 = 7811^2 + 909^2 .

It is not an unprimeable number, because it can be changed into a prime (61838003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15459499 + ... + 15459502.

Almost surely, 2^61838002 is an apocalyptic number.

61838002 is a deficient number, since it is larger than the sum of its proper divisors (30919004).

61838002 is a wasteful number, since it uses less digits than its factorization.

61838002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30919003.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 61838002 is about 7863.7142623572. The cubic root of 61838002 is about 395.4441449632. Note that the first 3 decimals are identical.

The spelling of 61838002 in words is "sixty-one million, eight hundred thirty-eight thousand, two".