61420010 has 16 divisors (see below), whose sum is σ = 112071816. Its totient is φ = 24231168.

The previous prime is 61420001. The next prime is 61420013. The reversal of 61420010 is 1002416.

It can be written as a sum of positive squares in 4 ways, for example, as 57896881 + 3523129 = 7609^2 + 1877^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61420013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41339 + ... + 42798.

Almost surely, 2^61420010 is an apocalyptic number.

61420010 is a deficient number, since it is larger than the sum of its proper divisors (50651806).

61420010 is a wasteful number, since it uses less digits than its factorization.

61420010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84217.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 61420010 is about 7837.0919351504. The cubic root of 61420010 is about 394.5511324771.

Adding to 61420010 its reverse (1002416), we get a palindrome (62422426).

The spelling of 61420010 in words is "sixty-one million, four hundred twenty thousand, ten".