49661070 has 64 divisors (see below), whose sum is σ = 125024256. Its totient is φ = 12608640.

The previous prime is 49661069. The next prime is 49661077. The reversal of 49661070 is 7016694.

49661070 = T₄₈ + T₄₉ + ... + T₆₆₇.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49661077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61912 + ... + 62708.

It is an arithmetic number, because the mean of its divisors is an integer number (1953504).

Almost surely, 2^49661070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49661070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62512128).

49661070 is an abundant number, since it is smaller than the sum of its proper divisors (75363186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49661070 is a wasteful number, since it uses less digits than its factorization.

49661070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 49661070 is about 7047.0610895607. The cubic root of 49661070 is about 367.5688426725.

The spelling of 49661070 in words is "forty-nine million, six hundred sixty-one thousand, seventy".